Main Bearing Set (STD) for Nissan Altima / Primera / Almera CA16, CA18 & CD20 Engines

High-precision Main Bearing Set specifically designed for Nissan Altima (1989-1992), Primera, and Almera models equipped with 1.6L (CA16), 1.8L (CA18) petrol and 2.0L (CD20) diesel engines. These are Standard (STD) size bearings, engineered to maintain optimal oil clearance and exceptional durability under various driving conditions. Manufactured from premium, high-fatigue resistant materials to withstand both the high-RPM demands of CA-series engines and the high combustion pressures of CD-series diesel engines. Precision-made to meet or exceed OEM specifications, these bearings are essential for restoring the structural reliability and performance of the Nissan rotating assembly during a professional rebuild.